| Bonetesmus novenus (Causey, 1971) | ⇒ Bonetesmus verus Chamberlin, 1942 |
| Bonetesmus ojo Shear, 1974 | Asian trampsnail |
| Bonetesmus soileauae Shear, 1982 | Texas threetooth |
| Bonetesmus verus Chamberlin, 1942 | Coalinga shoulderband |
| Colobodesmus biolleyi Brölemann, 1905 | Laguna shoulderband |
| Colobodesmus cobanus (Chamberlin, 1952) | ⇒ Sphaeriodesmus cobanus Chamberlin, 1952 |
| Colobodesmus cruces | |
| Colobodesmus crucis Loomis, 1974 | Stockton Plateau threeband |
| Colobodesmus triramus Kraus, 1954 | |
| Cyclodesmus angustipes (Loomis, 1936) | ⇒ Haplocyclodesmus angustipes Loomis, 1936 |
| Cyclodesmus aztecus Humbert & Sa..., 1869 | Richinbar talussnail |
| Cyclodesmus bruesi (Chamberlin, 1918) | ⇒ Sphaeriodesmus bruesi Chamberlin, 1918 |
| Cyclodesmus crassartus (Loomis, 1936) | ⇒ Haplocyclodesmus crassartus Loomis, 1936 |
| Cyclodesmus enneryensis Loomis, 1936 | |
| Cyclodesmus falcarius (Loomis, 1936) | ⇒ Haplocyclodesmus falcarius Loomis, 1936 |
| Cyclodesmus globulus (Loomis, 1936) | ⇒ Haplocyclodesmus globulus Loomis, 1936 |
| Cyclodesmus haitianus (Chamberlin, 1918) | ⇒ Haplocyclodesmus haitianus Chamberlin, 1918 |
| Cyclodesmus hubbardii (Cook, 1896) | ⇒ Haplocyclodesmus hubbardi Cook, 1896 |
| Cyclodesmus incisus (Loomis, 1936) | ⇒ Haplocyclodesmus incisus Loomis, 1936 |
| Cyclodesmus insulanus (Loomis, 1936) | ⇒ Haplocyclodesmus insulanus Loomis, 1936 |
| Cyclodesmus irretitus (Loomis, 1937) | ⇒ Haplocyclodesmus irretitus Loomis, 1937 |
| Cyclodesmus montanus (Loomis, 1936) | ⇒ Haplocyclodesmus montanus Loomis, 1936 |
| Cyclodesmus nudatus (Loomis, 1936) | ⇒ Haplocyclodesmus nudatus Loomis, 1936 |
| Cyclodesmus obesus (Loomis, 1936) | ⇒ Haplocyclodesmus obesus Loomis, 1936 |
| Cyclodesmus pinetorum (Chamberlin, 1922) | ⇒ Sphaeriodesmus pinetorum Chamberlin, 1922 |
| Cyclodesmus rubellus (Loomis, 1936) | ⇒ Haplocyclodesmus rubellus Loomis, 1936 |
| Cyclodesmus setosus (Loomis, 1936) | ⇒ Haplocyclodesmus setosus Loomis, 1936 |
| Cylionus constrictus Pocock, 1909 | Boulder slide threeband |
| Cylionus gracilis Humbert & Sa..., 1869 | Golden zachrysia |
| Cylionus kauanus Chamberlin, 1938 | Bigtree shoulderband |
| Cyphodesmus bifidus Silvestri, 1910 | |
| Cyphodesmus hidalgonus Chamberlin, 1943 | Costate mountainsnail |
| Cyphodesmus mexicanus Saussure, 1859 | Pygmy mountainsnail |
| Cyphodesmus trifidus Silvestri, 1910 | |
| Desmoniella curta (Loomis, 1943) | ⇒ Desmonus curtus Loomis, 1943 |
| Desmonus acclivus Loomis, 1966 | White desertsnail |
| Desmonus atophus Chamberlin &..., 1941 | |
| Desmonus austrus Causey, 1958 | Milk Ranch talussnail |
| Desmonus conjunctus Loomis, 1959 | |
| Desmonus crassus Loomis, 1959 | |
| Desmonus curtus Loomis, 1943 | New Mexico talussnail |
| Desmonus distinctus Loomis, 1959 | |
| Desmonus earlei Cook, 1898 | Milk Ranch talussnail |
| Desmonus earlei earlei Cook, 1898 | |
| Desmonus earlei mancus Causey, 1958 | |
| Desmonus inordinatus Causey, 1958 | Milk Ranch talussnail |
| Desmonus pudicus Bollman, 1888 | |
| Ethocyclus atophus (Chamberlin &..., 1941) | ⇒ Desmonus atophus Chamberlin &..., 1941 |
| Eusphaeriodesmus angustus Pocock, 1909 | |
| Eusphaeriodesmus bilobatus Loomis, 1972 | Moonlight mudcloak |
| Eusphaeriodesmus prehensor Pocock, 1909 | |
| Eusphaeriodesmus robustus Pocock, 1909 | |
| Eusphaeriodesmus stylifer Pocock, 1909 | |
| Haplocyclodesmus angustipes Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus crassartus Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus enneryensis Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus falcarius Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus globulus Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus haitianus Chamberlin, 1918 | Sierra shoulderband |
| Haplocyclodesmus hubbardi Cook, 1896 | |
| Haplocyclodesmus incisus Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus insulanus Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus irretitus Loomis, 1937 | Oregon shoulderband |
| Haplocyclodesmus jeremiei Mauriès, 1980 | Agave threeband |
| Haplocyclodesmus montanus Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus nudatus Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus obesus Loomis, 1936 | Monterey hesperian |
| Haplocyclodesmus porcellanus Pocock, 1894 | Nubbin threetooth |
| Haplocyclodesmus rubellus Loomis, 1936 | Pinhole threetooth |
| Haplocyclodesmus setosus Loomis, 1936 | Pinhole threetooth |
| Hybocestus bacrionis Shelley, 2000 | |
| Hybocestus clavulus Shelley, 2000 | |
| Hybocestus octonodus Hoffman, 1959 | |
| Hybocestus plagiodon Hoffman, 1959 | |
| Ischnosphaeriodesmus digitatus Pocock, 1909 | |
| Lophocyclus laxatus Loomis, 1936 | Monterey hesperian |
| Lophocyclus munitus Loomis, 1936 | Monterey hesperian |
| Lophocyclus passus Loomis, 1936 | Monterey hesperian |
| Lophocyclus pumilus Loomis, 1936 | Monterey hesperian |
| Proeilodesmus mecistonyx Hoffman, 1990 | |
| Sphaeriodesmus bruesi Chamberlin, 1918 | Sierra shoulderband |
| Sphaeriodesmus bukowinus Chamberlin, 1952 | Keys mudcloak |
| Sphaeriodesmus cobanus Chamberlin, 1952 | |
| Sphaeriodesmus conformans Chamberlin, 1925 | |
| Sphaeriodesmus coriaceus Pocock, 1909 | Boulder slide threeband |
| Sphaeriodesmus cotzalostoc Shear, 1986 | Dished threetooth |
| Sphaeriodesmus cruzbelem Shear, 1974 | Asian trampsnail |
| Sphaeriodesmus filamentosus Loomis, 1974 | Stockton Plateau threeband |
| Sphaeriodesmus golondrinensis Shear, 1974 | Asian trampsnail |
| Sphaeriodesmus griseus Chamberlin, 1943 | Costate mountainsnail |
| Sphaeriodesmus grubbsi Shear, 1986 | Dished threetooth |
| Sphaeriodesmus hondurasanus Chamberlin, 1922 | |
| Sphaeriodesmus iglesia Shear, 1986 | Dished threetooth |
| Sphaeriodesmus isolatus Chamberlin, 1940 | Cape Fear threetooth |
| Sphaeriodesmus longibubus | |
| Sphaeriodesmus longiramus Kraus, 1954 | |
| Sphaeriodesmus longitubus Loomis, 1963 | Wreathed cactussnail |
| Sphaeriodesmus medius Carl, 1902 | Kentish gardensnail |
| Sphaeriodesmus mexicanus Saussure, 1859 | Pygmy mountainsnail |
| Sphaeriodesmus michoacanus Chamberlin, 1942 | Coalinga shoulderband |
| Sphaeriodesmus neglectus Carl, 1902 | Kentish gardensnail |
| Sphaeriodesmus nodulosus Kraus, 1954 | |
| Sphaeriodesmus nortoni Shear, 1974 | Asian trampsnail |
| Sphaeriodesmus oniscus Pocock, 1909 | Boulder slide threeband |
| Sphaeriodesmus pinetorum Chamberlin, 1922 | |
| Sphaeriodesmus pudicus (Bollman, 1888) | ⇒ Desmonus pudicus Bollman, 1888 |
| Sphaeriodesmus rabonus Shear, 1986 | Dished threetooth |
| Sphaeriodesmus redondo Shear, 1977 | Organ Mountain talussnail |
| Sphaeriodesmus robertsoni Shear, 1986 | Dished threetooth |
| Sphaeriodesmus salto Shear, 1974 | Asian trampsnail |
| Sphaeriodesmus sanjose Shear, 1986 | Dished threetooth |
| Sphaeriodesmus saussurei Attems, 1899 | Hansine seaslug |
| Sphaeriodesmus secundus Loomis, 1977 | |
| Sphaeriodesmus sprousei Shear, 1986 | Dished threetooth |
| Sphaeriodesmus tortus Shear, 1986 | Dished threetooth |
| Sphaeriodesmus trullatus Shear, 1977 | Organ Mountain talussnail |
| Sphaeriodesmus zontehuitz Shear, 1974 | Asian trampsnail |
| Stilbopagus acclivus (Loomis, 1966) | ⇒ Desmonus acclivus Loomis, 1966 |
| Taphrodesmus vestitus Silvestri, 1910 | |
| Tetraporosoma seriata (Loomis, 1966) | ⇒ Tetraporosoma seriatum Loomis, 1966 |
| Tetraporosoma seriatum Loomis, 1966 | |
